The origins of the current heroin crisis in America can be traced back to the overprescription of opioid painkillers in recent decades. As opioid prescriptions and sales increased aggressively starting in the late 1990s, so too did rates of opioid addiction, overdose deaths, and users transitioning from prescription opioids to heroin. While heroin use has been an issue in the past as well, linked to wars and social movements, the current crisis is uniquely tied to changes in opioid prescribing practices that flooded the country with highly addictive pain pills and helped reintroduce heroin as a cheaper alternative to prescription opioids.